Chemistry Questions Practice Question and Answer

Q:

Which one of the following polymer is used in making bullet - proof vest? 

1612 0

  • 1
    Teflon
    Correct
    Wrong
  • 2
    Polyurethane
    Correct
    Wrong
  • 3
    Bakelite
    Correct
    Wrong
  • 4
    Polyamide
    Correct
    Wrong
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Answer : 4. "Polyamide "

Q:

Which one of the following is also known as ' wood spirit’s? 

1577 0

  • 1
    Methyl alcohol
    Correct
    Wrong
  • 2
    Ethyl alcohol
    Correct
    Wrong
  • 3
    Ethylene glycol
    Correct
    Wrong
  • 4
    Glycerol
    Correct
    Wrong
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Answer : 1. "Methyl alcohol "

Q:

Percentage of lead in lead pencil is: 

1574 0

  • 1
    zero
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    80
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 1. "zero "

Q:

Which of the following is the most common kidney stone-forming compound?

1567 0

  • 1
    Calcium oxalate
    Correct
    Wrong
  • 2
    Magnesium oxide
    Correct
    Wrong
  • 3
    Sodium bicarbonate
    Correct
    Wrong
  • 4
    Magnesium citrate
    Correct
    Wrong
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Answer : 1. "Calcium oxalate"

Q:

A pungent small often present near the urinals is due to

1510 0

  • 1
    Ammonia
    Correct
    Wrong
  • 2
    Urea
    Correct
    Wrong
  • 3
    Sulphur- di-oxide
    Correct
    Wrong
  • 4
    Chlorine
    Correct
    Wrong
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Answer : 1. "Ammonia "

Q:

In which of the following chlorine has + 1 oxidation number?

1444 0

  • 1
    Zinc chloride
    Correct
    Wrong
  • 2
    Chlorine
    Correct
    Wrong
  • 3
    Hypochlorous acid
    Correct
    Wrong
  • 4
    Hydrochloric acid
    Correct
    Wrong
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Answer : 3. "Hypochlorous acid"

Q:

Lightest metal is___

1433 0

  • 1
    Potassium
    Correct
    Wrong
  • 2
    Lithium
    Correct
    Wrong
  • 3
    Sodium
    Correct
    Wrong
  • 4
    Aluminum
    Correct
    Wrong
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Answer : 2. "Lithium"

Q:

Which of the following is the lightest element in the universe? 

1398 0

  • 1
    Nitrogen
    Correct
    Wrong
  • 2
    Silicon
    Correct
    Wrong
  • 3
    Helium
    Correct
    Wrong
  • 4
    Hydrogen
    Correct
    Wrong
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Answer : 4. "Hydrogen "

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